TWI749471B - 用以判定用於描述將振幅變化對應為２之指數之非差分增益值之表示之最低整數位元數以用於ｈｏａ資料框表示壓縮之方法及裝置以及用於執行其的電腦程式產品、編碼之ｈｏａ資料框表示以及用於儲存其的儲存媒體，以及解碼聲音或聲場之壓縮高階保真立體音響（ｈｏａ）聲音表示之方法及裝置 - Google Patents

用以判定用於描述將振幅變化對應為２之指數之非差分增益值之表示之最低整數位元數以用於ｈｏａ資料框表示壓縮之方法及裝置以及用於執行其的電腦程式產品、編碼之ｈｏａ資料框表示以及用於儲存其的儲存媒體，以及解碼聲音或聲場之壓縮高階保真立體音響（ｈｏａ）聲音表示之方法及裝置 Download PDF

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TWI749471B
TWI749471B TW109106565A TW109106565A TWI749471B TW I749471 B TWI749471 B TW I749471B TW 109106565 A TW109106565 A TW 109106565A TW 109106565 A TW109106565 A TW 109106565A TW I749471 B TWI749471 B TW I749471B
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hoa
representation
sound
signal
data frame
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TW109106565A
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TW202105364A (zh
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亞歷山德 克魯格
斯凡 科登
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瑞典商杜比國際公司
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/11—Positioning of individual sound objects, e.g. moving airplane, within a sound field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/11—Application of ambisonics in stereophonic audio systems

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
TW109106565A 2014-06-27 2015-06-26 用以判定用於描述將振幅變化對應為２之指數之非差分增益值之表示之最低整數位元數以用於ｈｏａ資料框表示壓縮之方法及裝置以及用於執行其的電腦程式產品、編碼之ｈｏａ資料框表示以及用於儲存其的儲存媒體，以及解碼聲音或聲場之壓縮高階保真立體音響（ｈｏａ）聲音表示之方法及裝置 TWI749471B (zh)

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EP14306023.4 2014-06-27
EP14306023.4A EP2960903A1 (en) 2014-06-27 2014-06-27 Method and apparatus for determining for the compression of an HOA data frame representation a lowest integer number of bits required for representing non-differential gain values

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TW202105364A TW202105364A (zh) 2021-02-01
TWI749471B true TWI749471B (zh) 2021-12-11

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TW109106565A TWI749471B (zh) 2014-06-27 2015-06-26 用以判定用於描述將振幅變化對應為２之指數之非差分增益值之表示之最低整數位元數以用於ｈｏａ資料框表示壓縮之方法及裝置以及用於執行其的電腦程式產品、編碼之ｈｏａ資料框表示以及用於儲存其的儲存媒體，以及解碼聲音或聲場之壓縮高階保真立體音響（ｈｏａ）聲音表示之方法及裝置
TW104120626A TWI689916B (zh) 2014-06-27 2015-06-26 用以判定用於描述將振幅變化對應為2之指數之非差分增益值之表示之最低整數位元數以用於hoa資料框表示壓縮之方法及裝置以及用於執行其的電腦程式產品、編碼之hoa資料框表示以及用於儲存其的儲存媒體，以及解碼聲音或聲場之壓縮高階保真立體音響(hoa)聲音表示之方法及裝置
TW110145081A TWI820530B (zh) 2014-06-27 2015-06-26 用以判定用於描述將振幅變化對應為２之指數之非差分增益值之表示之最低整數位元數以用於ｈｏａ資料框表示壓縮之方法及裝置以及用於執行其的電腦程式產品、編碼之ｈｏａ資料框表示以及用於儲存其的儲存媒體，以及解碼聲音或聲場之壓縮高階保真立體音響（ｈｏａ）聲音表示之方法及裝置

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TW104120626A TWI689916B (zh) 2014-06-27 2015-06-26 用以判定用於描述將振幅變化對應為2之指數之非差分增益值之表示之最低整數位元數以用於hoa資料框表示壓縮之方法及裝置以及用於執行其的電腦程式產品、編碼之hoa資料框表示以及用於儲存其的儲存媒體，以及解碼聲音或聲場之壓縮高階保真立體音響(hoa)聲音表示之方法及裝置
TW110145081A TWI820530B (zh) 2014-06-27 2015-06-26 用以判定用於描述將振幅變化對應為２之指數之非差分增益值之表示之最低整數位元數以用於ｈｏａ資料框表示壓縮之方法及裝置以及用於執行其的電腦程式產品、編碼之ｈｏａ資料框表示以及用於儲存其的儲存媒體，以及解碼聲音或聲場之壓縮高階保真立體音響（ｈｏａ）聲音表示之方法及裝置

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US (5) US10236003B2 (ko)
EP (3) EP2960903A1 (ko)
JP (3) JP6567571B2 (ko)
KR (3) KR20230124763A (ko)
CN (4) CN112951254A (ko)
BR (2) BR122023009299B1 (ko)
RU (1) RU2725602C9 (ko)
TW (3) TWI749471B (ko)
WO (1) WO2015197512A1 (ko)

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CN107077852B (zh) 2014-06-27 2020-12-04 杜比国际公司 包括与hoa数据帧表示的特定数据帧的通道信号关联的非差分增益值的编码hoa数据帧表示
DE102016104665A1 (de) * 2016-03-14 2017-09-14 Ask Industries Gmbh Verfahren und Vorrichtung zur Aufbereitung eines verlustbehaftet komprimierten Audiosignals
CN111034225B (zh) * 2017-08-17 2021-09-24 高迪奥实验室公司 使用立体混响信号的音频信号处理方法和装置
CN116978387A (zh) * 2019-07-02 2023-10-31 杜比国际公司 用于离散指向性数据的表示、编码和解码的方法、设备和系统

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US20240212692A1 (en) 2024-06-27
US10872612B2 (en) 2020-12-22
EP2960903A1 (en) 2015-12-30
BR122018012705A8 (pt) 2022-09-13
RU2016151121A (ru) 2018-06-26
CN106471580B (zh) 2021-03-05
EP3161820A1 (en) 2017-05-03
US20190214027A1 (en) 2019-07-11
TW202238566A (zh) 2022-10-01
TW201603000A (zh) 2016-01-16
JP6869296B2 (ja) 2021-05-12
JP2021103337A (ja) 2021-07-15
JP2019185065A (ja) 2019-10-24
RU2725602C9 (ru) 2020-08-28
US20220270620A1 (en) 2022-08-25
CN106471580A (zh) 2017-03-01
TWI689916B (zh) 2020-04-01
US11875803B2 (en) 2024-01-16
US20170133020A1 (en) 2017-05-11
JP6567571B2 (ja) 2019-08-28
CN112908349A (zh) 2021-06-04
RU2725602C2 (ru) 2020-07-02
TWI820530B (zh) 2023-11-01
KR20220110615A (ko) 2022-08-08
CN112908348B (zh) 2022-07-15
US20210193156A1 (en) 2021-06-24
WO2015197512A1 (en) 2015-12-30
BR122022022357B1 (pt) 2024-01-16
BR122018012705A2 (ko) 2017-08-22
RU2016151121A3 (ko) 2019-02-07
EP3161820B1 (en) 2020-11-18
KR20170023017A (ko) 2017-03-02
RU2020115874A (ru) 2020-06-18
US10236003B2 (en) 2019-03-19
CN112908348A (zh) 2021-06-04
KR102428370B1 (ko) 2022-08-02
KR20230124763A (ko) 2023-08-25
BR122023009299B1 (pt) 2023-12-26
EP3809409A1 (en) 2021-04-21
JP2017523456A (ja) 2017-08-17
US11322165B2 (en) 2022-05-03
BR112016029978A2 (pt) 2017-08-22
KR102568636B1 (ko) 2023-08-22
CN112951254A (zh) 2021-06-11
TW202105364A (zh) 2021-02-01

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